txtsub1.lua = Load txt subtitles for video. The first script tries to load txt subtitles for a playing video (an example: "D:film.avi" <-- "D:film.txt"). You should find them loaded in VLC menu where you can enable them or use hotkey "v".txtsub2.lua = Load video with txt subtitles. The second script should add&play another video into VLC playlist, but this time with VLC option ":input-slave" automatically loading txt subtitles with the same filename.